:root{--ink:#172126;--muted:#657279;--line:#dce3df;--paper:#f5f6f2;--green:#1f5c4d}*{box-sizing:border-box}html,body{background:var(--paper);min-height:100%;color:var(--ink);margin:0;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}button,textarea,input{font:inherit}button{cursor:pointer}.intro-shell,.brief-shell{background:radial-gradient(circle at 15% 10%,#fff 0,#0000 34%),linear-gradient(145deg,#f7f8f3,#e8eee9);place-items:center;min-height:100vh;padding:40px 22px;display:grid}.intro-card,.brief-card{border:1px solid var(--line);background:#fff;border-radius:24px;width:min(680px,100%);padding:52px;box-shadow:0 26px 70px #20372f1a}.brief-card{width:min(760px,100%)}.brand-mark,.mini-logo{background:var(--green);color:#fff;letter-spacing:.12em;place-items:center;font-weight:800;display:inline-grid}.brand-mark{border-radius:17px;width:58px;height:58px;margin-bottom:32px}.mini-logo{border-radius:11px;width:38px;height:38px;font-size:12px}.eyebrow,.panel-kicker{color:var(--green);letter-spacing:.16em;font-size:12px;font-weight:800}h1{letter-spacing:-.035em;margin:10px 0 18px;font-size:36px;line-height:1.25}.lead,.brief-card>p{color:#506069;font-size:17px;line-height:1.9}.intro-facts{flex-wrap:wrap;gap:10px;margin:28px 0;display:flex}.intro-facts span{color:#496058;background:#f0f4f1;border-radius:999px;padding:8px 13px;font-size:13px}.consent{border-top:1px solid var(--line);color:#536169;gap:10px;padding:18px 0 24px;display:flex}.consent input{width:18px;height:18px;accent-color:var(--green)}.primary{background:var(--green);color:#fff;border:0;border-radius:12px;padding:13px 22px;font-weight:750;box-shadow:0 8px 20px #1f5c4d2e}.primary:hover{background:#174b3e;transform:translateY(-1px)}.primary:disabled{cursor:not-allowed;box-shadow:none;background:#aeb9b4;transform:none}.primary.full{width:100%;margin-top:18px}.topline{color:#64726b;justify-content:space-between;font-size:13px;display:flex;position:fixed;top:24px;left:32px;right:32px}.assignment{border-left:4px solid var(--green);background:#f0f5f1;border-radius:0 12px 12px 0;margin:28px 0;padding:20px 22px}.assignment p{color:#4e5d56;margin:7px 0 0;line-height:1.75}.app-shell{min-height:100vh;padding:0 24px 26px}.app-header{justify-content:space-between;align-items:center;height:68px;display:flex}.app-header>div{align-items:center;gap:12px;display:flex}.progress{color:var(--muted);font-size:12px}.progress b{border:1px solid var(--line);color:var(--green);background:#fff;border-radius:999px;padding:6px 9px}.workspace-grid{grid-template-columns:minmax(270px,27fr) minmax(360px,36fr) minmax(360px,37fr);gap:14px;max-width:1660px;height:calc(100vh - 94px);min-height:650px;margin:auto;display:grid}.panel{border:1px solid var(--line);background:#fff;border-radius:18px;min-width:0;overflow:auto;box-shadow:0 5px 24px #1d302a0d}.panel-heading{border-bottom:1px solid #edf0ee;padding:22px 22px 15px}.panel-heading h2{margin:5px 0 0;font-size:20px}.panel-heading p{color:var(--muted);margin:8px 0 0;font-size:13px;line-height:1.6}.evidence-panel{padding-bottom:20px}.map-card,.data-card,.conditions-card{border:1px solid var(--line);border-radius:14px;margin:14px;padding:14px;transition:all .3s}.map-card.is-highlighted,.data-card.is-highlighted{border-color:#ce9c47;transform:translateY(-2px);box-shadow:0 0 0 4px #f7ead2}.map-title{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.map-title span{color:var(--muted);font-size:11px}.campus-map{background:linear-gradient(135deg,#e5eddf 0 28%,#f4eddd 28% 52%,#dfeae7 52%);border-radius:11px;height:255px;position:relative;overflow:hidden}.road{background:#fff;position:absolute;box-shadow:0 0 0 1px #d8ddd6}.road-v{width:24px;height:120%;top:-10%;left:48%;transform:rotate(8deg)}.road-h{width:120%;height:19px;top:49%;left:-10%;transform:rotate(-5deg)}.place{z-index:2;text-shadow:0 1px #fff;grid-template-columns:28px auto;align-items:center;gap:0 7px;font-size:11px;display:grid;position:absolute}.place i{width:28px;height:28px;color:var(--green);background:#fff;border:1px solid #cad5cf;border-radius:8px;grid-row:1/3;place-items:center;font-style:normal;font-weight:800;display:grid;box-shadow:0 4px 12px #1e3c321f}.place small{color:#5f6d65;font-size:9px}.library{top:48%;left:17%}.restaurant i{color:#fff;background:#d99451;border-color:#d99451}.survey-row{border-top:1px solid #edf0ee;grid-template-columns:45px 1fr;align-items:center;gap:8px;padding:9px 0;display:grid}.survey-row b{color:var(--green);font-size:18px}.survey-row span{color:#4e5d56;font-size:12px;line-height:1.4}.conditions-card ul{color:#56645d;margin:9px 0 0;padding-left:18px;font-size:12px;line-height:1.85}.online-dot{background:#2d9e70;border-radius:50%;width:8px;height:8px;margin-right:5px;display:inline-block}.chat-stream{padding:20px}.user-bubble{color:#3e5048;background:#edf2ef;border-radius:16px 16px 4px;margin-left:12%;padding:14px 16px;font-size:13px;line-height:1.65}.ai-message{grid-template-columns:32px 1fr;gap:10px;margin:21px 0;animation:.4s both fadeUp;display:grid}.avatar{background:var(--green);color:#fff;border-radius:10px;place-items:center;width:32px;height:32px;font-size:10px;font-weight:800;display:grid}.ai-message p{color:#34453e;margin:0;font-size:14px;line-height:1.82}.evidence-link{color:#58736a;background:0 0;border:0;margin-top:8px;padding:3px 0;font-size:11px}.evidence-link:hover{color:var(--green);text-decoration:underline}.typing{gap:5px;margin:25px 0 0 44px;display:flex}.typing.compact{margin-top:7px}.typing span{background:#aebbb5;border-radius:50%;width:7px;height:7px;animation:1s infinite alternate pulse}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}.ideas-panel{padding-bottom:22px}.idea-list{padding:8px 20px 0}.idea-list label{margin-top:13px;display:block}.idea-list label span{color:#607067;margin-bottom:6px;font-size:11px;font-weight:700;display:block}.idea-list textarea,.final-editor{resize:vertical;width:100%;color:var(--ink);background:#fbfcfa;border:1px solid #dce3df;border-radius:11px;outline:none;padding:11px 12px;line-height:1.55}.idea-list textarea{min-height:64px}.idea-list textarea:focus,.final-editor:focus{background:#fff;border-color:#4e8b78;box-shadow:0 0 0 3px #e2eee8}.add-button{color:var(--green);background:#fff;border:1px dashed #afbeb7;border-radius:10px;margin:14px 20px 0;padding:9px 13px;font-size:12px}.ideas-panel>.primary.full,.ideas-panel>.hint,.ideas-panel>.word-status,.ideas-panel>.final-editor,.choice-list{width:calc(100% - 40px);margin-left:20px;margin-right:20px}.hint{color:#87928d;text-align:center;font-size:11px}.choice-list{padding-top:14px}.choice{text-align:left;border:1px solid var(--line);color:#44534c;background:#fff;border-radius:11px;grid-template-columns:28px 1fr;align-items:start;gap:10px;width:100%;margin-bottom:10px;padding:12px;display:grid}.choice b{width:24px;height:24px;color:var(--green);background:#edf2ef;border-radius:7px;place-items:center;display:grid}.choice.selected{border-color:var(--green);background:#f1f6f3;box-shadow:0 0 0 2px #dcebe4}.final-editor{min-height:330px;margin-top:18px}.word-status{color:#76827c;justify-content:space-between;margin-top:7px;font-size:11px;display:flex}.word-status b{color:var(--green)}.done-card{text-align:center}.success-mark{width:60px;height:60px;color:var(--green);background:#e0eee6;border-radius:50%;place-items:center;margin:0 auto 22px;font-size:26px;font-weight:800;display:grid}.completion-code{color:var(--green);letter-spacing:.12em;background:#f1f6f3;border:1px dashed #88a99b;border-radius:12px;padding:14px 22px;font-weight:850}.tiny{color:#8a9690;font-size:11px}.debrief{text-align:left;border-top:1px solid var(--line);color:#617069;margin:26px 0 10px;padding-top:18px;font-size:13px;line-height:1.7}.debrief summary{cursor:pointer;color:#4e6259;font-weight:700}.text-button{color:#75827c;background:0 0;border:0;margin-top:10px;font-size:12px;text-decoration:underline}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes pulse{0%{opacity:.35}to{opacity:1}}@media (max-width:1000px){.workspace-grid{grid-template-columns:1fr;height:auto}.app-shell:before{content:"建议使用宽屏电脑获得最佳体验";color:#795b20;text-align:center;background:#fff3d9;padding:8px;font-size:12px;display:block}.panel{min-height:420px}.campus-map{height:300px}}@media (max-width:640px){.intro-card,.brief-card{padding:30px 22px}.app-shell{padding:0 12px 20px}.workspace-grid{display:none}.app-shell:after{content:"本任务需要同时查看项目资料、AI信息并撰写创意方案，请使用电脑浏览器完成。";text-align:center;background:#fff;border-radius:16px;margin-top:30vh;padding:25px;line-height:1.8;display:block}.app-header{display:none}h1{font-size:29px}}.campus-map{height:300px}.place{grid-template-columns:34px auto;gap:1px 8px}.place i{width:34px;height:34px;font-size:14px}.place strong{font-size:13px}.place small{color:#33483f;width:max-content;text-shadow:none;background:#ffffffdb;border-radius:5px;padding:2px 5px;font-size:12px;font-weight:800}.library{text-align:right;grid-template-columns:auto 34px;top:47%;left:auto;right:54%}.library i{grid-area:1/2/3}.library strong,.library small{grid-column:1}.library small{justify-self:end}.restaurant{top:47%;left:49%}.teaching{top:21%;left:58%}.dorm{top:5%;left:3%}.gym{bottom:4%;right:2%}.activity{bottom:6%;left:30%}.survey-title{align-items:flex-start;gap:10px}.survey-title span{text-align:right;color:#526159;white-space:nowrap;max-width:none;font-size:11px;line-height:1.35}.survey-row{grid-template-columns:52px 1fr;padding:11px 0}.survey-row b{font-size:21px}.survey-row span{color:#36483f;font-size:14px;font-weight:620;line-height:1.45}.conditions-card strong{font-size:15px}.conditions-card ul{color:#405149;font-size:14px;line-height:1.9}.evidence-notice{color:#6f5a2f;background:#fff8e8;border:1px solid #ead7ad;border-radius:9px;margin-top:8px;padding:10px 11px;font-size:11px;line-height:1.65;animation:.25s both fadeUp}.participant-id{margin:0 0 18px;display:block}.participant-id span{color:#405149;margin-bottom:8px;font-size:13px;font-weight:750;display:block}.participant-id input{width:100%;height:46px;color:var(--ink);background:#fbfcfa;border:1px solid #ccd7d1;border-radius:11px;outline:none;padding:0 13px}.participant-id input:focus{background:#fff;border-color:#4e8b78;box-shadow:0 0 0 3px #e2eee8}.participant-id small{color:#7a8781;margin-top:7px;font-size:11px;line-height:1.55;display:block}.user-message{grid-template-columns:1fr 32px;align-items:start;gap:10px;margin-left:8%;display:grid}.user-message .user-bubble{margin:0}.user-avatar{background:#71837a;font-size:12px}.reading-lock,.ideas-locked{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100% - 88px);padding:36px;display:flex}.reading-lock h3,.ideas-locked h3{margin:17px 0 6px;font-size:19px}.reading-lock p,.ideas-locked p{max-width:330px;color:var(--muted);margin:0 0 22px;font-size:13px;line-height:1.75}.timer-ring{width:76px;height:76px;color:var(--green);font-variant-numeric:tabular-nums;background:#f7faf8;border:7px solid #dce9e3;border-radius:50%;place-items:center;font-size:25px;font-weight:850;display:grid}.ideas-locked span{color:#7b8a83;background:#edf2ef;border-radius:14px;place-items:center;width:48px;height:48px;font-weight:850;display:grid}.hint.ready{color:var(--green);font-weight:700}.submit-error{color:#a13c35;text-align:center;margin:10px 20px 0;font-size:12px}.task-reminder{border:1px solid #dce6e1;border-left:4px solid var(--green);background:#f5f8f6;border-radius:11px;margin:16px 20px 0;padding:13px 14px}.task-reminder strong{color:var(--green);font-size:12px}.task-reminder p{color:#485a51;margin:5px 0 0;font-size:12px;line-height:1.6}
